Overview of skin cancer, skin cancer occurs in the skin cancer, squamous cell carcinoma and one with basal cell carcinoma the most common. Description of the ancient Chinese medical classics, like "cancer sore", "malignant sore," "stone therapy," "turning flowers sore", "Stone gangrene" and other diseases.
Skin cancer incidence in the white race in a higher incidence in Australia of which ranked first in incidence rate as high as 650/10 million. In China, a lower incidence, according to Shanghai, Shanghai Cancer Institute 1998 Cancer Incidence in urban statistics, skin cancer incidence rate of 1.53/10 million, 1.5/10 million men, women 0.9 / 100 000. Malignant tumor occurs in 50 to 60 years, more men than women, about 1.5 ~ 2:1. Skin cancer occur in the exposed parts of the body, such as the head, face, neck, back, etc.. In addition, the limbs and trunk can be sick. Ultraviolet radiation, ionizing radiation, chemical carcinogens (such as tar, asphalt) and some precancerous lesions (such as coloring of dry skin disease, refractory ulcers, keratosis, burn scars, prolonged healing of the fistula), and other skin the occurrence of cancer. Skin cancer basal cell carcinoma to the most common, accounting for more than 60%.
Overview of skin cancer, cancer patients with histological type was superficial ulceration, under the skin basal cell carcinoma, squamous cell carcinoma Basal III. Squamous cell carcinoma of the general differentiation is better, well-differentiated squamous cell carcinoma accounts for about 75%. Better prognosis of skin cancer, the cure rate of up to 90%. The slow development of basal cell carcinoma, showing the growth of local invasion, lymphatic and blood usually does not occur metastasis; squamous cell carcinoma of the relatively fast, and easy to transfer to regional lymph nodes, but distant metastasis is rare and blood, the most common metastatic lung site.